IMECH-IR  > 力学所知识产出(1956-2008)
Effect of steam on the removal of HC1 by cao in a fluidized-bed incinerator
Wang R(王蕊); Wang Y(王阳); Tian JG(田君国); Nie R(聂睿); Deng J(邓晶); Li YJ(李要建); Sheng HZ(盛宏至)
Source PublicationAir and Waste Management Association - 27th Annual International Conference on Thermal Treatment Technologies 2008
Conference Name27th Annual International Conference on Thermal Treatment Technologies 2008
Conference DateMay 12, 2008 - May 16, 2008
Conference PlaceMontreal, QC, Canada
AbstractIn the solid waste incinerator, steam can be found in the flue gas, which has some impact on the HC1 removal by Ca-based sorbents. In this paper, the effect of steam on HC1 removal has been investigated in the temperature range from 433K to 853K in a fluidized-bed incinerator. An ion meter was used to measure the Cf concentration of the alkali solution in the absorber so as to obtain the removal efficiency (RE) of HC1. CaO reacts with the input gas: 4 % O2, 1000 ppm HC1, 1.5 % - 15 % steam in N2 balance gas. It shows that the effects of steam on HC1 removal by CaO reveal different trend at different operating temperature. At 433K, the effect of steam is not obvious with the RE of approximately 30%. As the steam concentration increases, the RE decreases at 553K and increases at 753K and 853K. It also reveals that at the same steam concentration the RE becomes higher with temperature rise and CaO reacts more completely at 853K than other temperatures with HC1. It explains that the reaction process depends on the exposed surface area of reactant and the diffusion process of gaseous HC1 through the product layer.
KeywordAlkali Solutions Ca-based Sorbents Diffusion Processes Fluidized-bed Incinerator Hc1 Removal Operating Temperatures Product Layers Reaction Processes Removal Efficiencies Solid Waste Incinerators Steam Concentrations Surface Areas Temperature Ranges Temperature Rises
Indexed ByEI
Document Type会议论文
Recommended Citation
GB/T 7714
Wang R,Wang Y,Tian JG,et al. Effect of steam on the removal of HC1 by cao in a fluidized-bed incinerator[C],2008.
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